Air Lift 57538 LoadLifter 7500 XL Ultimate Air Spring Suspension Kit | With Internal Jounce Bumper; Compatible w /2011-2019 Silverado 2500HD /3500HD RWD /4WD, 2011-2019 Sierra 2500HD /3500HD RWD /4WD

Features

• VEHICLE FITMENT NOTES: Fits single rear wheel (SRW) and dual rear wheel (DRW) models. Will fit most side mount fifth wheel hitch applications. Does not fit cab & chassis applications.
• UP TO 7,500 LBS HEAVY-DUTY LOAD SUPPORT: LoadLifter 7500 XL Ultimate is engineered for extreme towing and hauling - Eliminates rear sag, squat, and instability under the heaviest loads; Customize your ride with easy air pressure adjustments (5-100 PSI)
• INTERNAL JOUNCE BUMPER FOR EXTRA SAFETY: Built-in polyurethane bumper inside the air spring helps absorb shock and allows limited operation even with zero air pressure - perfect for added ride security and comfort
• IMPROVES RIDE QUALITY & STABILITY: Reduces bounce, sway, and body roll while improving overall control, comfort and driver confidence; Maintains proper ride height for safer braking, better steering response, and even tire wear
• EASY TO INSTALL: Most kits use existing holes in frame, precision-fit design includes all hardware and a fully illustrated installation guide; Compatible with Air Lift compressors and wireless controllers for quick and easy pressure adjustments